diff --git a/pdftex.def b/pdftex.def
index e7d28d5..8c70348 100644
--- a/pdftex.def
+++ b/pdftex.def
@@ -166,7 +166,7 @@ E     \else
     }%
     \gdef\GPT@@shipout{%
       \ifvoid\GPT@outputbox\relax
-        \GPT@warn{Ignoring void output box}%
+        \PackageInfo{Ignoring void output box}%
       \else
         \setbox\GPT@outputbox=\vbox{%
           \GPT@pageliteral